DRDO-RAC 185 Scientist B Last Date Extended. Name of the Post: DRDO-RAC Scientist B Online Form 2020 Total Vacancy: 185 Brief Information: DRDO – Recruitment and Assessment Centre (DRDO-RAC) has announced a notification for the recruitment of Scientist-B in DRDO vacancies. Those Candidates who are interested in the vacancy details & completed all eligibility criteria can read the Notification &